The Omnicem PL50 grey powder tile adhesive is easy to make with tap water and can be used both indoors and outdoors You can use this tile adhesive for flexible and watertight bonding of ceramic wall and floor tiles, mosaic and flat dark-colored natural stone. Good levelling abilities, which is particularly important when working with large-format tiles or on surfaces that are not totally flat. Making up the adhesive with a little more water produces a fluidised adhesive that enables contact with 100% of the surface when working with large floor tiles.